What is the answer to 0.2c+0.9=3.9 ?

The answer to 0.2c+0.9=3.9 is c=15

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

0.2c+0.9=3.9

0.2 c + 0.9 = 3.9

c = 15

Solution steps

0.2 c + 0.9 = 3.9

Multiply both sides by

10

2 c + 9 = 39

Move

9

to the right side

2 c = 30

Divide both sides by

2

c = 15

3.6 1^{2} + 8.0 6^{2} = 7.2 1^{2}

2 x + 41 = 51

1.8 - 1.5 x = 2

y, 7 x - 9 y + 2 = 0

\frac{11 - x}{2} + 3 = - 5